The injector creates two types of objects,
services
and
specialized objects
.

services
specialized objects

Services are objects whose API is defined by the developer writing the service.

Specialized objects conform to a specific AngularJS framework API. These objects are one of controllers, directives, filters or animations.

The injector needs to know how to create these objects. You tell it by registering a "recipe" for creating your object with the injector. There are five recipe types.

The most verbose, but also the most comprehensive one is a Provider recipe. The remaining four recipe types — Value, Factory, Service and Constant — are just syntactic sugar on top of a provider recipe.

Let's take a look at the different scenarios for creating and using services via various recipe types. We'll start with the simplest case possible where various places in your code need a shared string and we'll accomplish this via Value recipe.

Note: A Word on Modules

In order for the injector to know how to create and wire together all of these objects, it needs a registry of "recipes". Each recipe has an identifier of the object and the description of how to create this object.

Each recipe belongs to an
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. An AngularJS module is a bag that holds one or more recipes. And since manually keeping track of module dependencies is no fun, a module can contain information about dependencies on other modules as well.

When an AngularJS application starts with a given application module, AngularJS creates a new instance of injector, which in turn creates a registry of recipes as a union of all recipes defined in the core "ng" module, application module and its dependencies. The injector then consults the recipe registry when it needs to create an object for your application.

Let's say that we want to have a very simple service called "clientId" that provides a string representing an authentication id used for some remote API. You would define it like this:

Notice how we created an AngularJS module called
myApp
, and specified that this module definition contains a "recipe" for constructing the
clientId
service, which is a simple string in this case.

And this is how you would display it via AngularJS's data-binding:

In this example, we've used the Value recipe to define the value to provide when
DemoController
asks for the service with id "clientId".

Shakespeare’s searing drama chronicles the ruthless ascension of a king and the devastation he leaves in his wake as he gains power over the realm.Featuring stage, film, and television actor, Faran Tahir as Richard III.

$60 Friend Section Chairs
Chairs are a $60 donation until
July 17
and then increase to $75during performance weeks.

$60 Friend Section Chairs

Free Shakespeare on the Common is made possible each year through a combination of grants, sponsorships, and donations collected through the Friends Section program. The Friends Section consists of lawn chairs set in front of the stage for your convenience.
Individuals can reserve a chair at a performance with a donation of $60 per chair, with all proceeds going directly towards the cost of the production. After July 17th, chairs increase to $75 during performance weeks.
Online reservations can be made up to 5 hours prior to the performance.

Individuals can reserve a chair at a performance with a donation of $60 per chair, with all proceeds going directly towards the cost of the production. After July 17th, chairs increase to $75 during performance weeks.

Friends Section chairs are preassigned.You will be seated at the performance by a member of our team.You must select the performance date you would like to attend at time of purchase or seats will not be reserved.

All donations are NON-REFUNDABLE and NON-TRANSFERABLE. Proceeds from the Friends Section help keep Shakespeare on the Common free for all!